<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
	#hd{
		width: 500px;
		height: 300px;
		background: orange;
		/*border的三个要素可以随意调换位置*/
		border: 10px solid blue;
		border-left: 20px dotted green;

		border-right-color: red;
		border-top-style: dashed;
		border-bottom-width: 50px;
	}
</style>
</head>

<body>
<div id="hd"></div>
</body>
</html>
